S-3 S-3 EX-FILING FEES 0001390478 SELLAS Life Sciences Group, Inc. N/A N/A 0001390478 2025-10-09 2025-10-09 0001390478 1 2025-10-09 2025-10-09 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

SELLAS Life Sciences Group, Inc.

Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Common stock, $0.0001 par value per share, underlying Investor Warrants 457(a) 19,685,040 $ 1.8625 $ 36,663,387.00 0.0001381 $ 5,063.21
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 36,663,387.00

$ 5,063.21

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 5,063.21

Offering Note

1

(1) This Registration Statement registers 19,685,040 shares of common stock, par value $0.0001 per share (the "Common Stock"), of SELLAS Life Sciences Group, Inc. (the "Company"), issuable upon the exercise of warrants (the "Warrants") that were sold in a private placement. (2) Estimated in accordance with Rule 457(c) solely for purposes of calculating the registration fee on the basis of the average of the high and low prices of the Common Stock as reported on The Nasdaq Capital Market on October 7, 2025, a date within five business days prior to filing this Registration Statement.
Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Rule 457(p)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Table 3: Combined Prospectuses ☑Not Applicable

Security Type

Security Class Title

Amount of Securities Previously Registered

Maximum Aggregate Offering Price of Securities Previously Registered

Form Type

File Number

Initial Effective Date

N/A N/A N/A N/A N/A N/A N/A N/A